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We investigate the comparative studies of cosmological baryon asymmetry in different neutrino mass models with and without θ13 by considering the three-diagonalform of Dirac neutrino mass matrices and the three aspects of leptogenesis, unflavoured,flavoured, and nonthermal. We found that the estimations of any models with θ13 areconsistent in all the three stages of calculations of leptogenesis and the results are better than the predictions of any models without θ13 which are consistent in a piecemealmanner with the observational data in all the three stages of leptogenesis calculations. For the normal hierarchy of Type-IA with charged lepton matrix, model with and without θ13 predicts inflaton mass required to produce the observed baryon asymmetry tobe Mϕ~2.2×1011 GeV and Mϕ~3.6×1010 GeV, and the corresponding reheatingtemperatures are TR~4.86×106 GeV and TR~4.50×106 GeV respectively. Thesepredictions are not in conflict with the gravitino problem which required the reheatingtemperature to be below 107 GeV. And these values apply to the recent discovery ofHiggs boson of mass ~125 GeV. One can also have the right order of relic dark matterabundance only if the reheating temperature is bounded to below 107 GeV

Cosmic Baryon Asymmetry in Different Neutrino Mass Models with Mixing Angles